Hierarchy/Derived subclasses
| 28 / 1 | -> 2 | -> 12 | -> 15 |
CIPO search
search just 28/15This will show what classes derive from the input. Ex: entering 78/35 shows the derived classes and the search that can be used to find patents in those subclasses.
Canadian Subclass Details
Description: 28 / (1) Fabrics (Process, Products, Apparatus) (2) Forming (12) Batts and Felts (15) Formed by Shrinkage or Activation of Latent Crimp
This will show what classes derive from the input. Ex: entering 78/35 shows the derived classes and the search that can be used to find patents in those subclasses.
This will show what classes derive from the input. Ex: entering 78/35 shows the derived classes and the search that can be used to find patents in those subclasses.